2258690

Information

• Patent Grant
• 2258690

• References
• Source

• Patent Number

  2,258,690

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1941
  83 years ago

• CPC

  • H03J3/08 - by varying a second parameter simultaneously with the tuning
  • H03J1/16 - Single control means independently performing two or more functions

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 074 - Machine element or mechanism
  • 338 - Electrical resistors